839  
CDUS46 KSEW 170118  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PDT WED JUL 16 2025  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 16 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 94 322 PM 98 1979 78 16 88  
MINIMUM 66 435 AM 50 1953 57 9 58  
1968  
AVERAGE 80 67 13 73  
 
PRECIPITATION (IN)  
TODAY 0.00 0.65 2001 0.02 -0.02 0.00  
MONTH TO DATE T 0.36 -0.36 0.00  
SINCE OCT 1 27.76 36.52 -8.76 33.49  
SINCE JAN 1 14.36 20.58 -6.22 16.34  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 2.3 0.3  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 5 22 -17 2  
SINCE JUN 1 99 140 -41 134  
SINCE JUL 1 5 22 -17 2  
 
COOLING  
TODAY 15 3 12 8  
MONTH TO DATE 81 38 43 118  
SINCE JUN 1 123 67 56 137  
SINCE JAN 1 126 77 49 144    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 600 AM  
LOWEST 24 200 PM  
AVERAGE 44  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 1979  
MINIMUM TEMPERATURE (F) 57 48 1950  
1953  
1955  
 
SUNRISE AND SUNSET  
JULY 16 2025..........SUNRISE 529 AM PDT SUNSET 901 PM PDT  
JULY 17 2025..........SUNRISE 530 AM PDT SUNSET 900 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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